Physics Assignment Help With Angle Of Friction

Suppose a body is placed on an inclined surface whose angle of inclination q varies between 0 to p/2. The coefficient of friction between the body and the surface is µ. Let the initial value of q be zero and if we slowly start increasing the value of q, then at a particular value of q = f the block just starts to move. This value of q =f is called the angle of friction.

Mathematically, if the block is just about to move, then
mg sin q = f

When q = f, mg sin f =fmax
or mg sin f = µN = µmg cos f
or tanf = µ

Thus f = tan-1µ

The angle of friction is that minimum angle of inclination of the inclined plane at which a body placed at rest on the inclined plane is about to slide down.
When q £ f (or tan‑1µ) the body is in equilibrium.

When the angle of inclination is more than the angle of friction (q > f) the block starts sliding down with acceleration. And, if we wish to keep it in equilibrium an external force has to be applied.

Homework Help For Angle of Friction

assignmenthelp.net provides best Online Assignment Help service in Physics for all standards. Our Tutor provide their high quality and optimized Tutorial help to fulfill all kind of need of Students.

To submit Angle of Friction assignment click here